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china Foundry 2024年第5期21卷 546-554页

作者： Xiang-feng Ma Xin Ding En-lai Liu Rui-run chen Xin-xiu Wang Yong Zhang and Jing-jie Guo National Key Laboratory for Precision Hot Processing of Metals Harbin Institute of TechnologyHarbin 150001China School of Materials Science and Engineering Shandong University of Science and TechnologyQingdao 266500ShandongChina AEcc Harbin Dongan Engine Co.Ltd.Harbin 150001China

Ti-V-based alloys are proved of huge potential in storing hydrogen,but the incomplete reversible hydrogen storage capacity caused by overstability of V hydride has limited the large-scale *** this study,Ti_(32)V_(40+x)Fe_(23-x)Mn_(5)(x=0,4,8,12,at.%)alloys were designed,and the effects of V/Fe ratio on phase constitution and hydrogen storage properties were *** main phase of the alloys is body-centered cubic(Bcc)phase,and the lattice constants of the Bcc phase decrease with the decrease of V/Fe ***,c14 Laves phase exists in alloys with a Fe content of 19at.%to 23at.%.For hydrogenation,the c14 Laves phase can accelerate the hydrogen absorption rate,but the hydrogen absorption capacity is *** the decrease of V/Fe ratio,the hydride gradually *** to its large lattice constant and high hydrogen absorption phase content,the Ti_(32)V_(52)Fe_(11)Mn_(5)alloy shows the most enhanced hydrogen storage properties with hydrogenation and dehydrogenation capacities of 3.588wt.%at 298 K and 1.688wt.%at 343 K,*** hydrogen absorption capacity of this alloy can be reserved to 3.574wt.%after 20 cycles of hydrogen absorption and desorption.

关键词： hydrogen storage Ti-based alloy lattice constant Bcc phase

Self-polarized RGB device realized by semipolar micro-LEDs and perovskite-in-polymer films for backlight applications

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Opto-Electronic Advances 2024年第3期7卷 35-49页

作者： Tingwei Lu Yue Lin Tianqi Zhang Yue Huang Xiaotong Fan Shouqiang lai Yijun Lu Hao-chung Kuo Zhong chen Tingzhu Wu Rong Zhang School of Electronic Science and Engineering Fujian Engineering Research Center for Solid-State LightingXiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361005China Department of Photonics and Graduate Institute of Electro-Optical Engineering College of Electrical and Computer EngineeringYang Ming Chiao Tung UniversityHsinchu 30010China Semiconductor Research center Hon Hai Research InstituteTaipei 11492China.

In backlighting systems for liquid crystal displays,conventional red,green,and blue(RGB)light sources that lack polarization properties can result in a significant optical loss of up to 50%when passing through a *** address this inefficiency and optimize energy utilization,this study presents a high-performance device designed for RGB polarized *** device employs an array of semipolar blueμLEDs with inherent polarization capabilities,coupled with mechanically stretched films of green-emitting csPbBr3 nanorods and red-emitting csPbI3-cs4PbI6 hybrid *** csPbBr3 nanorods in the polymer film offer intrinsic polarization emission,while the aligned-wire structures formed by the stable csPbI3-cs4PbI6 hybrid nanocrystals contribute to substantial anisotropic emissions,due to their high dielectric *** resulting device achieved RGB polarization degrees of 0.26,0.48,and 0.38,respectively,and exhibited a broad color gamut,reaching 137.2%of the NTSc standard and 102.5%of the Rec.2020 *** compared to a device utilizing c-plane LEDs for excitation,the current approach increased the intensity of light transmitted through the polarizer by 73.6%.This novel fabrication approach for polarized devices containing RGB components holds considerable promise for advancing next-generation display technologies.

关键词： halide perovskite light-emitting-diodes polarized emission nanocrystals stability

A comparative lattice analysis of SU(2)dark glueballs

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chinese Physics c 2024年第8期48卷 113-126页

作者： Min-Huan chu Jun-Hui lai Wei Wang Jialu Zhang Qianteng Zhu INPAc Key Laboratory for Particle Astrophysics and Cosmology(MOE)Shanghai Key Laboratory for Particle Physics and CosmologySchool of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Yang Yuanqing Scientific computering center Tsung-Dao Lee InstituteShanghai Jiao Tong UniversityShanghai 200240China Southern center for Nuclear-Science Theory(ScNT) Institute of Modern PhysicsChinese Academy of SciencesHuizhou 516000China

We study the mass and scattering cross section of SU(2)glueballs as dark matter candidates using lattice *** employ both naive and improved SU(2)gauge actions in 3+1 dimensions with severalβvalues,and we adopt both the traditional Monte carlo method and flow-based model based on machine learning techniques to generate lattice *** mass of a dark scalar glueball with J^(Pc)=0^(++)and the Nambu-Bethe-Salpeter wave function are *** a coupling constant ofβ=2.2 as an illustration,we compare the dark glueball mass calculated from the configurations generated from the two *** consistent results can be achieved,the two methods demonstrate distinct *** the Runge-Kutta method,we extract the glueball interaction potential and two-body scattering cross *** the observational constraints,we obtain the lower bound of the mass of scalar glueballs as candidates of dark matter.

关键词： lattice QcD dark matter machine learning

Hydrogen bond-induced elastic polyzwitterion electrolytes constructed by mussel-inspired autopolymerization for zinc-ion battery

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Science china chemistry 2024年第10期67卷 3438-3449页

作者： Shi Wang Xinyi Wu chao Liu Lingjun He Shuanghan Li Yuqi Miao Mingrui cai Yi Li Zheng-Dong Huang Wen-Yong lai State Key Laboratory of Organic Electronics and Information Displays(SKLOEID) Institute of Advanced Materials(IAM)School of Chemistry and Life SciencesNanjing University of Posts&TelecommunicationsNanjing 210023China

Aqueous zinc-ion batteries(ZIBs)have attracted much interest to realize safe rechargeable batteries with high safety and high energy ***,it is still challenging to address dendrite growth and parasitic reactions in zinc *** propose herein the design concept of hydrogen bond-induced elastic polyzwitterion electrolytes with zincophilic groups for achieving robust ***-inspired autopolymerization has been developed to construct the polyzwitterion electrolytes at room temperature by inducing electron density delocalization atα-position of c=c bond in zwitterion monomer by Zn^(2+).Specifically,the zwitterionic functional groups construct ion transport channels,and the unique–NH–and SO_(3)^(-)groups co-compete with H_(2)O for coordination with Zn^(2+)and promote the desolvation of hydrated Zn^(2+),thus achieving a high room temperature ionic conductivity(6.7 mS cm^(-1))and an increased Zn^(2+)migration number(0.65)for the polyzwitterion *** addition,various interactions such as hydrogen bonding and electrostatic interactions between electrolyte ions and zwitterionic groups impart high stretchability and strength to the polyzwitterion electrolytes,which,combined with SO_(3)^(-)philic(002)crystallographic properties,effectively inhibit the growth of zinc *** a result,rigid/wearable solid-state ZIBs exhibit excellent cycling and c-rate *** believe that the strategy of constructing polyzwitterionic electrolytes with zincophilic groups and ion transport channels opens up a new direction in polymer electrolyte engineering towards safe and high energy batteries.

关键词： flexible electronics wearable electronics polyzwitterion electrolytes self-polymerization zinc-ion batteries

Protective eff ect and mechanism of nanoantimicrobial peptide ND-c14 against Streptococcus pneumoniae infection

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World Journal of Emergency Medicine 2024年第1期15卷 28-34页

作者： Yangyang Guo Yaqi Sun Hongxia Wu Jian Lu Yuan Lin Jiaqing Zhu Meihong lai Meiqi Zhang Jun Wang Jungang Zheng Department of Intensive care Medicine Hangzhou Traditional Chinese Medicine Hospital Affi liated to Zhejiang Chinese Medical UniversityHangzhou 310021China National children’s Regional Medical center National Clinical Research Center for Child HealthChildren’s HospitalZhejiang University School of MedicineHangzhou 310052China Department of Spleen and Stomach Diseases Hangzhou Traditional Chinese Medicine Hospital Affi liated to Zhejiang Chinese Medical UniversityHangzhou 310021China Department of Ultrasonic Medicine the First Affi liated Hospital of Ningbo UniversityNingbo 315010China Department of Anesthesiology the First Affi liated Hospital of Ningbo UniversityNingbo 315010China Zhejiang University School of Medicine Hangzhou 310058China The First People’s Hospital of Yuexi county Yuexi 616650China

BAcKGROUND:Streptococcus pneumoniae(***)is a common pathogen that causes bacterial ***,with increasing bacterial resistance,there is an urgent need to develop new drugs to treat *** *** with a 14-carbon saturated fatty acid(ND-c14)is a novel nanoantimicrobial peptide designed by modifying myristic acid at the c-terminus of humanα-defensin 5(HD5)via an amide ***,it is unclear whether ND-c14 is effective against lung infections caused by ***:In vitro,three groups were established,including the control group,and the HD5 and ND-c14 treatment groups.A virtual colony-count assay was used to evaluate the antibacterial activity of HD5 and ND-c14 against *** morphological changes of *** treated with HD5 or ND-c14 were observed by scanning electron *** vivo,mice were divided into sham,vehicle,and ND-c14 treatment *** in the sham group were treated with 25μL of phosphate-buffered saline(PBS).Mice in the vehicle and ND-c14 treatment groups were treated with intratracheal instillation of 25μL of bacterial suspension with 2×108 cFU/mL(total bacterial count:5×10^(6) cFU),and then the mice were given 25μL PBS or intratracheally injected with 25μL of ND-c14(including 20μg or 50μg),*** rates were evaluated in the vehicle and ND-c14 treatment *** burden in the blood and bronchoalveolar lavage fluid were *** lung histology of the mice was assessed.A propidium iodide uptake assay was used to clarify the destructive eff ect of ND-c14 against ***:compared with HD5,ND-c14 had a better bactericidal eff ect against *** because of its stronger ability to destroy the membrane structure of *** in *** vivo,ND-c14 significantly delayed the death time and improved the survival rate of mice infected with ***-c14 reduced bacterial burden and lung tissue ***,ND-c14 had a membrane per

关键词： Streptococcus pneumoniae Antimicrobial peptides Humanα-defensin 5 Infection

Selective synthesis of the B_(11)H_(14)^(-) and B_(12)H_(12)^(2-) borane derivatives and the general mechanisms of the B-H bond condensation

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Science china chemistry 2024年第3期67卷 876-881页

作者： Yi Jing Xinghua Wang Hui Han Xin-Ran Liu Xing-chao Yu Xi-Meng chen Donghui Wei lai-Sheng Wang Xuenian chen college of chemistry Green Catalysis CenterZhengzhou UniversityZhengzhou 450001China School of chemistry and chemical Engineering Henan Key Laboratory of Boron Chemistry and Advanced Energy MaterialsHenan Normal UniversityXinxiang 453007China Department of chemistry Brown UniversityProvidenceRI 02912USA

Polyhedral boranes are a class of well-known boron molecular clusters with unique physical and chemical properties,and great efforts have been made in the past decades to find more effective synthetic ***,the established synthetic methods suffer from low efficiency and low selectivity because the mechanism of the B-H bond condensation reaction,critical for the synthesis of the polyhedral boranes,is not well *** we report highly selective and efficient synthetic methods of the salts of the tetradecahydridoundecaborate(1-)(B_(11)H^(-)_(14)) and dodecahydrido-dodecaborates(2-)(B_(12)H_(12)^(2-)) anions by employing commercially available and inexpensive starting *** theoretical and experimental investigations are carried out to elucidate the reaction *** have found that the nature of the B-H bond condensation is the dihydrogen bonding interaction in which the positively charged hydrogens(bridged hydrogens) play a crucial *** current study has not only led to more effective and selective synthetic methods for B_(11)H^(-)_(14) and B_(12)H_(12)^(2-) but also unveiled the nature of the B-H bond condensation and the general formation mechanisms of polyhedral *** finding will facilitate the development of more effective synthetic methods for polyhedral boranes and spur their wide application.

关键词： Boranes polyhedral boranes dihydrogen bond nucleophilicity

Revealing the key role of non-solvating diluents for fast-charging and low temperature Li-ion batteries

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Journal of Energy chemistry 2024年第7期94卷 171-180页

作者： Yuping Zhang Siyin Li Junkai Shi Jiawei lai Ziyue Zhuang Jingwen Liu Wenming Yang Liang Ma Yue-Peng cai Jijian Xu Qifeng Zheng School of chemistry Guangzhou Key Laboratory of Materials for Energy Conversion and StorageSouth China Normal UniversityGuangzhou 510006GuangdongChina Guangzhou Foreign Language School Guangzhou 511455GuangdongChina Department of chemistry City University of Hong KongHong Kong 999077China

Fast-charging and low temperature operation are of vital importance for the further development of lithium-ion batteries(LIBs),which is hindered by the utilization of conventional carbonate-based electrolytes due to their slow kinetics,narrow operating temperature and voltage ***,an acetonitrile(AN)-based localized high-concentration electrolyte(LHcE)is proposed to retain liquid state and high ionic conductivity at ultra-low temperatures while possessing high oxidation *** originally reveal the excellent thermal shielding effect of non-solvating diluent to prevent the aggregation of Li^(+) solvates as temperature drops,maintaining the merits of fast Li transport and facile desolvation as at room temperature,which bestows the graphite electrode with remarkable low temperature performance(264 mA h g^(-1) at-20 c).Remarkably,an extremely high capacity retention of 97%is achieved for high-voltage high-energy graphite||NcM batteries after 250 cycles at-20 c,and a high capacity of 110 mA h g^(-1)(71%of its room-temperature capacity)is retained at-30°*** study unveils the key role of the non-solvating diluents and provides instructive guidance in designing electrolytes towards fast-charging and low temperature LIBs.

关键词： Li-ion battery Fast-charging Low temperature Non-solvating diluent Shielding effect

Therapeutic genome editing of an aberrant splice site inβ-thalassemia by cRISPR/cas9 with multiple sgRNAs

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Genes & Diseases 2024年第1期11卷 15-18页

作者： Fei Yang Shuqian Xu chao Huang Zhiqiang Shao Yuefen Hu Yang Yang Yongrong lai Qing Ke Dan Liang Yuxuan Wu Shanghai Key Laboratory of Regulatory Biology Institute of Biomedical Sciences and School of Life SciencesEast China Normal UniversityShanghai 200241China Department of Obstetrics and Gynecology The First Affiliated Hospital of Anhui Medical UniversityHefeiAnhui 230022China NHc Key Laboratory of Study on Abnormal Gametes and Reproductive Tract(Anhui Medical University) HefeiAnhui 230032China Department of Hematology Qilu HospitalCheeloo College of MedicineShandong UniversityJinanShandong 250012China BRLMedicine Inc. Shanghai 201108China Department of Hematology The First Affiliated Hospital of Guangxi Medical UniversityNanningGuangxi 530000China Department of Neurology The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang 310003China

Genetic mutations cause aberrant splicing,one of the important molecular mechanisms in human ***2-654,a mutation causing aberrant splicing ofβ-globin premRNA and contributing toβ-globin deficiency,is one of the most common diseases in Southeast Asia and china."In our previous work,we found a TTTV protospacer adjacent motif(PAM)by the cas12a system and the editing efficiency of Ivs2-654 c>T achieving 76.7%.

关键词： cRISPR/cas9 china thalassemia

Recent innovations in laser additive manufacturing of titanium alloys

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International Journal of Extreme Manufacturing 2024年第3期6卷 2-37页

作者： Jinlong Su Fulin Jiang Jie Teng Lequn chen Ming Yan Guillermo Requena lai-chang Zhang Y Morris Wang Ilya V Okulov Hongmei Zhu chaolin Tan college of Materials Science and Engineering Hunan UniversityChangsha 410082People’s Republic of China Singapore Institute of Manufacturing Technology(SIM Tech) Agency for ScienceTechnology and Research(A∗STAR)5 Cleantech LoopSingapore 636732Singapore Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055People’s Republic of China Institute of Materials Research German Aerospace Center(DLR)Linder Höhe51147 CologneGermany centre for Advanced Materials and Manufacturing Edith Cowan University270 Joondalup DriveJoondalupPerthWestern Australia 6027Australia Department of Materials Science and Engineering University of CaliforniaLos AngelesCA 900095United States of America Leibniz Institute for Materials Engineering-IWT Badgasteiner Str.328359 BremenGermany Faculty of Production Engineering University of BremenBadgasteiner Str.128359 BremenGermany Key Laboratory of Hunan Province of Equipment Safety Service Technology under Extreme Environment University of South ChinaHengyangPeople’s Republic of China RWTH Aachen University Metallic Structures and Materials Systems for Aerospace EngineeringD-52062 AachenGermany

Titanium(Ti)alloys are widely used in high-tech fields like aerospace and biomedical *** additive manufacturing(LAM),as an innovative technology,is the key driver for the development of Ti *** the significant advancements in LAM of Ti alloys,there remain challenges that need further research and development *** recap the potential of LAM high-performance Ti alloy,this article systematically reviews LAM Ti alloys with up-to-date information on process,materials,and *** feasible solutions to advance LAM Ti alloys are reviewed,including intelligent process parameters optimization,LAM process innovation with auxiliary fields and novel Ti alloys customization for *** auxiliary energy fields(***,acoustic,mechanical deformation and magnetic fields)can affect the melt pool dynamics and solidification behaviour during LAM of Ti alloys,altering microstructures and mechanical *** kinds of novel Ti alloys customized for LAM,like peritecticα-Ti,eutectoid(α+β)-Ti,hybrid(α+β)-Ti,isomorphousβ-Ti and eutecticβ-Ti alloys are reviewed in ***,machine learning in accelerating the LAM process optimization and new materials development is also *** review summarizes the material properties and performance envelops and benchmarks the research achievements in LAM of Ti *** addition,the perspectives and further trends in LAM of Ti alloys are also highlighted.

关键词： additive manufacturing titanium alloys auxiliary field machine learning aerospace materials lightweight materials novel alloys

Genome-Wide Identification of Tomato (Solanum lycopersicum L.) cKX Gene Family and Expression Analysis in the callus Tissue under Zeatin Treatment

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Phyton-International Journal of Experimental Botany 2024年第6期93卷 1143-1158页

作者： Zhengfeng lai Dongmei Lian Shaoping Zhang Yudong Ju Bizhen Lin Yunfa Yao Songhai Wu Jianji Hong Zhou Li Subtropical Agriculture Research Institute Fujian Academy of Agricultural SciencesZhangzhou363005China

The cytokinin oxidase/dehydrogenase(cKX)enzyme is essential for controlling theﬂuctuating levels of endogen-ous cytokinin(cK)and has a signiﬁcant impact on different aspects of plant growth and ***-less,there is limited knowledge about cKX genes in tomato(Solanum lycopersicum L.).Here we performed genome-wide identiﬁcation and analysis of nine SlcKX family members in tomatoes using bioinformatics *** results revealed that nine SlcKX genes were unevenly distributed onﬁve chromosomes(chr.1,chr.4,chr.8,chr.10,and chr.12).The amino acid length,isoelectric points,and molecular weight of the nine SlcKX proteins ranged from 453 to 553,5.77 to 8.59,and 51.661 to 62.494 kD,*** localization analysis indi-cated that SlcKX2 proteins were located in both the vacuole and cytoplasmic matrix;SlcKX3 and SlcKX5 pro-teins were located in the vacuole;and SlcKX1,4,6,7,8,and 9 proteins were located in the cytoplasmic ***,we observed differences in the gene structures and phylogenetic relationships of SlcKX proteins among different ***1-9 were positioned on two out of the three branches of the cKX phylogenetic tree in the multispecies phylogenetic tree construction,revealing their strong conservation within phylogenetic *** patterns of expression of cKX genes were noticed in callus cultures exposed to varying con-centrations of exogenous ZT,suggesting their roles in speciﬁc developmental and physiological functions in the regeneration *** results may facilitate subsequent functional analysis of SlcKX genes and provide valu-able insights for establishing an efﬁcient regeneration system for tomatoes.

关键词： Tomato SlcKX gene family phylogenetic relationships trans-zeatin expression pattern